Uploaded Test files

venv/Lib/site-packages/nbconvert/preprocessors/tests/test_latex.py

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+"""Tests for the latex preprocessor"""
+
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+from .base import PreprocessorTestsBase
+from ..latex import LatexPreprocessor
+
+
+class TestLatex(PreprocessorTestsBase):
+    """Contains test functions for latex.py"""
+
+
+    def build_preprocessor(self):
+        """Make an instance of a preprocessor"""
+        preprocessor = LatexPreprocessor()
+        preprocessor.enabled = True
+        return preprocessor
+
+    def test_constructor(self):
+        """Can a LatexPreprocessor be constructed?"""
+        self.build_preprocessor()
+        
+
+    def test_output(self):
+        """Test the output of the LatexPreprocessor"""
+        nb = self.build_notebook()
+        res = self.build_resources()
+        preprocessor = self.build_preprocessor()
+        nb, res = preprocessor(nb, res)
+
+        # Make sure the code cell wasn't modified.
+        self.assertEqual(nb.cells[0].source, '$ e $')
+
+        # Verify that the markdown cell wasn't processed.
+        self.assertEqual(nb.cells[1].source, '$ e $')
+    
+    def test_highlight(self):
+        """Check that highlighting style can be changed"""
+        nb = self.build_notebook()
+        res = self.build_resources()
+        preprocessor = self.build_preprocessor()
+
+        # Set the style to a known builtin that's not the default
+        preprocessor.style='colorful'
+        nb, res = preprocessor(nb, res)
+        style_defs = res['latex']['pygments_definitions']
+
+        # Get the default
+        from pygments.formatters import LatexFormatter
+        default_defs = LatexFormatter(style='default').get_style_defs()
+
+        # Verify that the style was in fact changed
+        assert style_defs != default_defs